package com.company.util;

import com.qiniu.storage.Region;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.BucketManager;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;

/**
 * 七牛工具类
 *
 * @author fu xiao liu
 * @date 2021-08-06 14:47
 */
public class QiniuUtils {
    public static String accessKey = "229R-eAc4LQLZznhLBEddmyDPNfZ8_fxc5Of_oWU";
    public static String secretKey = "RTWgoLegU4XdWD6BU8j8_TeH5PxXZi6fvkiHkgnW";
    public static String bucket = "filemn";

    /*** ⽂件上传
     * 最简单的就是上传本地⽂件，直接指定⽂件的完整路径即可上传。
     * @param filePath
     * @param fileName
     **/
    public static void upload2Qiniu(String filePath, String fileName) {
        Configuration cfg = new Configuration(Region.region2());
        UploadManager uploadManager = new UploadManager(cfg);
        Auth auth = Auth.create(accessKey, secretKey);
        String upToken = auth.uploadToken(bucket);

        try {
            Response response = uploadManager.put(filePath, fileName, upToken);
            //解析上传成功的结果
            DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
        } catch (QiniuException ex) {
            Response r = ex.response;
            try {
                System.err.println(r.bodyString());
            } catch (QiniuException ex2) {
                //ignore

            }
        }
    }

    /**
     * 字节数组上传可以⽀持将内存中的字节数组上传到空间中。
     * @param bytes
     * @param fileName
     */

    public static void upload2Qiniu(byte[] bytes, String fileName) {
        //构造⼀个带指定Zone对象的配置类
        Configuration cfg = new Configuration(Region.region2());
        //...其他参数参考类注释
        UploadManager uploadManager = new UploadManager(cfg);
        //默认不指定key的情况下，以⽂件内容的hash值作为⽂件名
        String key = fileName;
        Auth auth = Auth.create(accessKey, secretKey);
        String upToken = auth.uploadToken(bucket);
        try {
            Response response = uploadManager.put(bytes, key, upToken);
            //解析上传成功的结果
            DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
            System.out.println(putRet.key);
            System.out.println(putRet.hash);
        } catch (QiniuException ex) {
            Response r = ex.response;
            System.err.println(r.toString());
            try {
                System.err.println(r.bodyString());
            } catch (QiniuException ex2) {
                //ignore
            }
        }
    }

    //删除文件
   public static void deleteFileFromQiniu(String fileName){
        //构造⼀个带指定Zone对象的配置类
       Configuration cfg = new Configuration(Region.region2());
       String key = fileName; Auth auth = Auth.create(accessKey, secretKey);
       BucketManager bucketManager = new BucketManager(auth, cfg);
       try {bucketManager.delete(bucket, key); } catch (QiniuException ex) {
           //如果遇到异常，说明删除失败
           System.err.println(ex.code());
           System.err.println(ex.response.toString());
       }
    }
}
